@@ -5515,7 +5515,8 @@ int mlx5e_tc_esw_init(struct rhashtable *tc_ht)
}
uplink_priv->tunnel_mapping = mapping;
- mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true);
+ /* 0xFFF is reserved for stack devices slow path table mark */
+ mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK - 1, true);
if (IS_ERR(mapping)) {
err = PTR_ERR(mapping);
goto err_enc_opts_mapping;
@@ -162,7 +162,7 @@ static int mlx5_esw_indir_table_rule_get(struct mlx5_eswitch *esw,
(attr->ip_version == 4 ? ETH_P_IP : ETH_P_IPV6));
} else {
err = -EOPNOTSUPP;
- goto err_mod_hdr;
+ goto err_ethertype;
}
if (attr->ip_version == 4) {
@@ -198,13 +198,18 @@ static int mlx5_esw_indir_table_rule_get(struct mlx5_eswitch *esw,
err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB,
VPORT_TO_REG, data);
if (err)
- goto err_mod_hdr;
+ goto err_mod_hdr_regc0;
+
+ err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB,
+ TUNNEL_TO_REG, ESW_TUN_SLOW_TABLE_GOTO_VPORT);
+ if (err)
+ goto err_mod_hdr_regc1;
flow_act.modify_hdr = mlx5_modify_header_alloc(esw->dev, MLX5_FLOW_NAMESPACE_FDB,
mod_acts.num_actions, mod_acts.actions);
if (IS_ERR(flow_act.modify_hdr)) {
err = PTR_ERR(flow_act.modify_hdr);
- goto err_mod_hdr;
+ goto err_mod_hdr_alloc;
}
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
@@ -236,7 +241,11 @@ static int mlx5_esw_indir_table_rule_get(struct mlx5_eswitch *esw,
mlx5_chains_put_table(chains, 0, 1, 0);
err_table:
mlx5_modify_header_dealloc(esw->dev, flow_act.modify_hdr);
-err_mod_hdr:
+err_mod_hdr_alloc:
+err_mod_hdr_regc1:
+ dealloc_mod_hdr_actions(&mod_acts);
+err_mod_hdr_regc0:
+err_ethertype:
kfree(rule);
out:
kfree(rule_spec);
@@ -179,9 +179,11 @@ struct mlx5_eswitch_fdb {
struct mlx5_flow_namespace *ns;
struct mlx5_flow_table *slow_fdb;
struct mlx5_flow_group *send_to_vport_grp;
+ struct mlx5_flow_group *send_to_vport_meta_grp;
struct mlx5_flow_group *peer_miss_grp;
struct mlx5_flow_handle **peer_miss_rules;
struct mlx5_flow_group *miss_grp;
+ struct mlx5_flow_handle **send_to_vport_meta_rules;
struct mlx5_flow_handle *miss_rule_uni;
struct mlx5_flow_handle *miss_rule_multi;
int vlan_push_pop_refcount;
@@ -1080,6 +1080,81 @@ void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule)
mlx5_del_flow_rules(rule);
}
+static void mlx5_eswitch_del_send_to_vport_meta_rules(struct mlx5_eswitch *esw)
+{
+ struct mlx5_flow_handle **flows = esw->fdb_table.offloads.send_to_vport_meta_rules;
+ int i = 0, num_vfs = esw->esw_funcs.num_vfs, vport_num;
+
+ if (!num_vfs || !flows)
+ return;
+
+ mlx5_esw_for_each_vf_vport_num(esw, vport_num, num_vfs)
+ mlx5_del_flow_rules(flows[i++]);
+
+ kvfree(flows);
+}
+
+static int
+mlx5_eswitch_add_send_to_vport_meta_rules(struct mlx5_eswitch *esw)
+{
+ int num_vfs, vport_num, rule_idx = 0, err = 0;
+ struct mlx5_flow_destination dest = {};
+ struct mlx5_flow_act flow_act = {0};
+ struct mlx5_flow_handle *flow_rule;
+ struct mlx5_flow_handle **flows;
+ struct mlx5_flow_spec *spec;
+
+ num_vfs = esw->esw_funcs.num_vfs;
+ flows = kvzalloc(num_vfs * sizeof(*flows), GFP_KERNEL);
+ if (!flows)
+ return -ENOMEM;
+
+ spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec) {
+ err = -ENOMEM;
+ goto alloc_err;
+ }
+
+ MLX5_SET(fte_match_param, spec->match_criteria,
+ misc_parameters_2.metadata_reg_c_0, mlx5_eswitch_get_vport_metadata_mask());
+ MLX5_SET(fte_match_param, spec->match_criteria,
+ misc_parameters_2.metadata_reg_c_1, ESW_TUN_MASK);
+ MLX5_SET(fte_match_param, spec->match_value, misc_parameters_2.metadata_reg_c_1,
+ ESW_TUN_SLOW_TABLE_GOTO_VPORT_MARK);
+
+ spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2;
+ dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+
+ mlx5_esw_for_each_vf_vport_num(esw, vport_num, num_vfs) {
+ MLX5_SET(fte_match_param, spec->match_value, misc_parameters_2.metadata_reg_c_0,
+ mlx5_eswitch_get_vport_metadata_for_match(esw, vport_num));
+ dest.vport.num = vport_num;
+
+ flow_rule = mlx5_add_flow_rules(esw->fdb_table.offloads.slow_fdb,
+ spec, &flow_act, &dest, 1);
+ if (IS_ERR(flow_rule)) {
+ err = PTR_ERR(flow_rule);
+ esw_warn(esw->dev, "FDB: Failed to add send to vport meta rule idx %d, err %ld\n",
+ rule_idx, PTR_ERR(flow_rule));
+ goto rule_err;
+ }
+ flows[rule_idx++] = flow_rule;
+ }
+
+ esw->fdb_table.offloads.send_to_vport_meta_rules = flows;
+ kvfree(spec);
+ return 0;
+
+rule_err:
+ while (--rule_idx >= 0)
+ mlx5_del_flow_rules(flows[rule_idx]);
+ kvfree(spec);
+alloc_err:
+ kvfree(flows);
+ return err;
+}
+
static bool mlx5_eswitch_reg_c1_loopback_supported(struct mlx5_eswitch *esw)
{
return MLX5_CAP_ESW_FLOWTABLE(esw->dev, fdb_to_vport_reg_c_id) &
@@ -1562,11 +1637,11 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw)
{
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_table_attr ft_attr = {};
+ int num_vfs, table_size, ix, err = 0;
struct mlx5_core_dev *dev = esw->dev;
struct mlx5_flow_namespace *root_ns;
struct mlx5_flow_table *fdb = NULL;
u32 flags = 0, *flow_group_in;
- int table_size, ix, err = 0;
struct mlx5_flow_group *g;
void *match_criteria;
u8 *dmac;
@@ -1592,7 +1667,7 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw)
}
table_size = esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ +
- MLX5_ESW_MISS_FLOWS + esw->total_vports;
+ MLX5_ESW_MISS_FLOWS + esw->total_vports + esw->esw_funcs.num_vfs;
/* create the slow path fdb with encap set, so further table instances
* can be created at run time while VFs are probed if the FW allows that.
@@ -1640,6 +1715,38 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw)
}
esw->fdb_table.offloads.send_to_vport_grp = g;
+ /* meta send to vport */
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
+ MLX5_MATCH_MISC_PARAMETERS_2);
+
+ match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
+
+ MLX5_SET(fte_match_param, match_criteria,
+ misc_parameters_2.metadata_reg_c_0, mlx5_eswitch_get_vport_metadata_mask());
+ MLX5_SET(fte_match_param, match_criteria,
+ misc_parameters_2.metadata_reg_c_1, ESW_TUN_MASK);
+
+ num_vfs = esw->esw_funcs.num_vfs;
+ if (num_vfs) {
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ix);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, ix + num_vfs - 1);
+ ix += num_vfs;
+
+ g = mlx5_create_flow_group(fdb, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "Failed to create send-to-vport meta flow group err(%d)\n",
+ err);
+ goto send_vport_meta_err;
+ }
+ esw->fdb_table.offloads.send_to_vport_meta_grp = g;
+
+ err = mlx5_eswitch_add_send_to_vport_meta_rules(esw);
+ if (err)
+ goto meta_rule_err;
+ }
+
if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) {
/* create peer esw miss group */
memset(flow_group_in, 0, inlen);
@@ -1707,6 +1814,11 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw)
if (MLX5_CAP_ESW(esw->dev, merged_eswitch))
mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp);
peer_miss_err:
+ mlx5_eswitch_del_send_to_vport_meta_rules(esw);
+meta_rule_err:
+ if (esw->fdb_table.offloads.send_to_vport_meta_grp)
+ mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_meta_grp);
+send_vport_meta_err:
mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp);
send_vport_err:
esw_chains_destroy(esw, esw_chains(esw));
@@ -1728,7 +1840,10 @@ static void esw_destroy_offloads_fdb_tables(struct mlx5_eswitch *esw)
esw_debug(esw->dev, "Destroy offloads FDB Tables\n");
mlx5_del_flow_rules(esw->fdb_table.offloads.miss_rule_multi);
mlx5_del_flow_rules(esw->fdb_table.offloads.miss_rule_uni);
+ mlx5_eswitch_del_send_to_vport_meta_rules(esw);
mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp);
+ if (esw->fdb_table.offloads.send_to_vport_meta_grp)
+ mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_meta_grp);
if (MLX5_CAP_ESW(esw->dev, merged_eswitch))
mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp);
mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp);
@@ -114,8 +114,16 @@ u32 mlx5_eswitch_get_vport_metadata_for_set(struct mlx5_eswitch *esw,
#define ESW_ZONE_ID_BITS 8
#define ESW_TUN_OPTS_BITS 12
#define ESW_TUN_ID_BITS 12
-#define ESW_TUN_OFFSET ESW_ZONE_ID_BITS
+#define ESW_TUN_OPTS_OFFSET ESW_ZONE_ID_BITS
+#define ESW_TUN_OFFSET ESW_TUN_OPTS_OFFSET
#define ESW_ZONE_ID_MASK GENMASK(ESW_ZONE_ID_BITS - 1, 0)
+#define ESW_TUN_OPTS_MASK GENMASK(32 - ESW_TUN_ID_BITS - 1, ESW_TUN_OPTS_OFFSET)
+#define ESW_TUN_MASK GENMASK(31, ESW_TUN_OFFSET)
+#define ESW_TUN_ID_SLOW_TABLE_GOTO_VPORT 0 /* 0 is not a valid tunnel id */
+#define ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT 0xFFF /* 0xFFF is a reserved mapping */
+#define ESW_TUN_SLOW_TABLE_GOTO_VPORT ((ESW_TUN_ID_SLOW_TABLE_GOTO_VPORT << ESW_TUN_OPTS_BITS) | \
+ ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT)
+#define ESW_TUN_SLOW_TABLE_GOTO_VPORT_MARK ESW_TUN_OPTS_MASK
u8 mlx5_eswitch_mode(struct mlx5_core_dev *dev);
#else /* CONFIG_MLX5_ESWITCH */